EP1544077A3 - Direction assistée électrique - Google Patents

Direction assistée électrique Download PDF

Info

Publication number
EP1544077A3
EP1544077A3 EP05006247A EP05006247A EP1544077A3 EP 1544077 A3 EP1544077 A3 EP 1544077A3 EP 05006247 A EP05006247 A EP 05006247A EP 05006247 A EP05006247 A EP 05006247A EP 1544077 A3 EP1544077 A3 EP 1544077A3
Authority
EP
European Patent Office
Prior art keywords
ball nut
internal thread
disposed
stator
rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05006247A
Other languages
German (de)
English (en)
Other versions
EP1544077A2 (fr
Inventor
Michael Boyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Active Safety and Electronics US LLC
Original Assignee
TRW Automotive US LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TRW Automotive US LLC filed Critical TRW Automotive US LLC
Publication of EP1544077A2 publication Critical patent/EP1544077A2/fr
Publication of EP1544077A3 publication Critical patent/EP1544077A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0442—Conversion of rotational into longitudinal movement
    • B62D5/0445—Screw drives
    • B62D5/0448—Ball nuts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0421—Electric motor acting on or near steering gear
    • B62D5/0424—Electric motor acting on or near steering gear the axes of motor and final driven element of steering gear, e.g. rack, being parallel
    • B62D5/0427—Electric motor acting on or near steering gear the axes of motor and final driven element of steering gear, e.g. rack, being parallel the axes being coaxial

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Transmission Devices (AREA)
EP05006247A 1997-06-03 1998-06-03 Direction assistée électrique Withdrawn EP1544077A3 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/868,191 US5921344A (en) 1997-06-03 1997-06-03 Electric steering system
US868191 1997-06-03
EP98110061A EP0882637B1 (fr) 1997-06-03 1998-06-03 Direction assistée électrique

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP98110061.3 Division 1998-06-03
EP98110061A Division EP0882637B1 (fr) 1997-06-03 1998-06-03 Direction assistée électrique

Publications (2)

Publication Number Publication Date
EP1544077A2 EP1544077A2 (fr) 2005-06-22
EP1544077A3 true EP1544077A3 (fr) 2007-05-16

Family

ID=25351212

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98110061A Expired - Lifetime EP0882637B1 (fr) 1997-06-03 1998-06-03 Direction assistée électrique
EP05006247A Withdrawn EP1544077A3 (fr) 1997-06-03 1998-06-03 Direction assistée électrique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP98110061A Expired - Lifetime EP0882637B1 (fr) 1997-06-03 1998-06-03 Direction assistée électrique

Country Status (5)

Country Link
US (1) US5921344A (fr)
EP (2) EP0882637B1 (fr)
JP (1) JP2972722B2 (fr)
BR (1) BR9801765A (fr)
DE (1) DE69829437T2 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6520037B2 (en) 1997-06-06 2003-02-18 Deutsches Zentrum Fur Luft-Und Raumfahrt E.V. Gear unit
DE19723812C1 (de) * 1997-06-06 1999-02-11 Deutsch Zentr Luft & Raumfahrt Getriebeeinheit
DE19750585A1 (de) * 1997-11-17 1999-06-02 Deutsch Zentr Luft & Raumfahrt Aktuator zum Korrigieren eines über das Lenkrad eines Fahrzeugs an die Räder einer gelenkten Fahrzeugachse eingegebenen Lenkwinkels
US6123167A (en) * 1998-06-11 2000-09-26 Trw Inc. Electric steering motor with one-piece metal shell
US6244374B1 (en) * 1998-08-21 2001-06-12 Toyota Jidosha Kabushiki Kaisha Electrically operated power steering device
US6164407A (en) * 1998-12-04 2000-12-26 Trw Inc. Electric power steering apparatus
US6155376A (en) * 1998-12-28 2000-12-05 Trw Inc. Electric power steering assembly
US6422334B1 (en) * 1999-09-17 2002-07-23 Delphi Technologies, Inc. Ball screw rack assembly
US7059447B1 (en) * 1999-12-21 2006-06-13 Ford Global Technologies, Inc. Automotive vehicle steering system having an electric motor powered linear actuator shaft for turning a steered wheel
JP2001275325A (ja) * 2000-03-27 2001-10-05 Honda Motor Co Ltd 電動パワーステアリング装置
WO2002008047A1 (fr) * 2000-07-21 2002-01-31 Nsk Ltd. Dispositif motorise a direction assistee
US7219761B2 (en) * 2000-07-21 2007-05-22 Nsk Ltd. Motor-operated power steering apparatus
JP2002145080A (ja) * 2000-11-10 2002-05-22 Nsk Ltd 電動パワーステアリング装置
US6637541B2 (en) 2001-12-17 2003-10-28 Visteon Global Technologies, Inc. Steering system having an interlocking mechanism
EP1335154B1 (fr) * 2002-02-04 2007-01-03 JTEKT Corporation Direction assistée électrique
US7055646B2 (en) 2002-04-12 2006-06-06 Trw Inc. Electric power steering assembly
US7242161B2 (en) * 2002-09-19 2007-07-10 Nsk, Ltd. Control device for motorized power steering device
JP3817677B2 (ja) * 2003-05-30 2006-09-06 現代自動車株式会社 独立型ステアバイワイヤシステムのステアリングアクチュエータ
JP2005051980A (ja) * 2003-07-16 2005-02-24 Asmo Co Ltd 円筒シャフト及びモータ
DE602004028872D1 (de) * 2004-03-31 2010-10-07 Danaher Motion Stockholm Ab Elektrisches betätigungsglied
US7017689B2 (en) * 2004-05-06 2006-03-28 Crown Equipment Corporation Electrical steering assist for material handling vehicles
US20060060413A1 (en) * 2004-09-17 2006-03-23 Mando Corporation Rack type power steering apparatus
US20060278466A1 (en) * 2005-06-13 2006-12-14 Bo Cheng Electric power steering systems
DE102008040835A1 (de) * 2008-07-29 2010-02-04 Zf Lenksysteme Gmbh Servolenkung
US8397859B2 (en) * 2009-08-31 2013-03-19 Jtekt Corporation Electric power steering system
US8230963B2 (en) 2009-08-31 2012-07-31 Jtekt Corporation Electric power steering system
JP5656073B2 (ja) * 2011-02-16 2015-01-21 株式会社ジェイテクト 車両用操舵装置および車両用操舵装置の製造方法
WO2014159996A1 (fr) 2013-03-14 2014-10-02 Crown Equipment Corporation Eléments d'assistance de direction électrique pour véhicules manipulant des matériaux

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415054A (en) * 1982-08-05 1983-11-15 Trw Inc. Steering gear
FR2608120A1 (fr) * 1986-12-10 1988-06-17 Renault Mecanisme de direction assistee a commande electrique pour vehicules automobiles
DE4111799A1 (de) * 1991-04-11 1992-10-15 Opel Adam Ag Stellglied
JPH09104352A (ja) * 1995-10-12 1997-04-22 Nippon Seiko Kk ボールねじ機構を備えた電動パワーステアリング装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800974A (en) * 1985-10-23 1989-01-31 Trw Inc. Electric steering gear
US4666014A (en) * 1986-05-08 1987-05-19 Trw Inc. Floating ball-nut for an electric assist steering system
US5295407A (en) * 1991-09-04 1994-03-22 Nsk Ltd. Electric linear actuator
DE4407729C2 (de) * 1993-03-08 1999-03-11 Honda Motor Co Ltd Elektrisch betriebene Servolenkungseinrichtung
JP2904327B2 (ja) * 1993-07-29 1999-06-14 本田技研工業株式会社 電動式パワーステアリング装置
US5685390A (en) * 1994-03-17 1997-11-11 Nsk, Ltd. Electrically-operated power steering apparatus
US5704250A (en) * 1996-04-04 1998-01-06 Western Atlas, Inc. Ball screw drive with dynamically adjustable preload

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415054A (en) * 1982-08-05 1983-11-15 Trw Inc. Steering gear
FR2608120A1 (fr) * 1986-12-10 1988-06-17 Renault Mecanisme de direction assistee a commande electrique pour vehicules automobiles
DE4111799A1 (de) * 1991-04-11 1992-10-15 Opel Adam Ag Stellglied
JPH09104352A (ja) * 1995-10-12 1997-04-22 Nippon Seiko Kk ボールねじ機構を備えた電動パワーステアリング装置

Also Published As

Publication number Publication date
US5921344A (en) 1999-07-13
EP1544077A2 (fr) 2005-06-22
JP2972722B2 (ja) 1999-11-08
DE69829437T2 (de) 2006-02-09
BR9801765A (pt) 1999-06-01
JPH1170881A (ja) 1999-03-16
EP0882637B1 (fr) 2005-03-23
EP0882637A1 (fr) 1998-12-09
DE69829437D1 (de) 2005-04-28

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